Process for preparing TPU molding compositions
    4.
    发明授权
    Process for preparing TPU molding compositions 失效
    制备TPU模塑组合物的方法

    公开(公告)号:US5981655A

    公开(公告)日:1999-11-09

    申请号:US006064

    申请日:1998-01-12

    CPC分类号: C08L75/04 C08G18/0895

    摘要: A process for the continuous production of a thermoplastic molding composition containing a mixture of a TPU and a thermoplastic (co)polymer is disclosed. The process comprises(i) introducing into an extruder via a first feed point component I) with at least 3% by weight, with respect to component I), of at least one member selected from the group consisting of components A), B) and C), and(ii) metering in the balance of said A), B) and C) into said extruder via one or more subsequent feed points,(iii) extruding components I) and II) under conditions sufficient to cause A), B) and C) reaction to form TPU, and(iv) upon the completion of said reaction, removing the resulting mixture of TPU and (co)polymer from the extruder,wherein component I) comprises 1 to 60% by weight, with respect to the total mixture, of a thermoplastic (co)polymer, and wherein component II) comprises 99 to 40% by weight, with respect to the total mixture, of the polyurethane-forming components including A) an organic diisocyanate, B) a linear polyol having terminal hydroxyl groups and a number average molecular weight of 500 to 5000, and C) a chain extender having a molecular weight of 60 to 500, and wherein the molar ratio of NCO groups in A) to the groups which react with NCO in B) and C) is in the range of 0.9 to 1.2.

    摘要翻译: 公开了一种用于连续生产含有TPU和热塑性(共)聚合物的混合物的热塑性模塑组合物的方法。 该方法包括(i)通过第一进料点组分I)向至少一种选自组分A),B)中的至少一种成分引入至少3重量%的挤出机,相对于组分I) 和(ii)在所述A),B)和C)的余量中通过一个或多个后续进料点将所述A),B)和C)的余量计量加入到所述挤出机中,(iii)在足以导致A)和 ,B)和C)反应形成TPU,和(iv)在完成所述反应后,从挤出机中除去所得TPU和(共)聚合物的混合物,其中组分I)包含1至60重量% 相对于总混合物,热塑性(共)聚合物,并且其中组分II)包含相对于总混合物的99至40重量%的形成聚氨酯的组分,包括A)有机二异氰酸酯,B) 具有末端羟基,数均分子量为500〜5000的直链状多元醇,C)扩链剂 分子量为60至500,并且其中A)中的NCO基团与在B)和C)中与NCO反应的基团的摩尔比在0.9至1.2的范围内。

    Process for preparing TPU molding compositions
    5.
    发明授权
    Process for preparing TPU molding compositions 失效
    制备TPU模塑组合物的方法

    公开(公告)号:US5696205A

    公开(公告)日:1997-12-09

    申请号:US629983

    申请日:1996-04-08

    摘要: A process for the continuous production of a thermoplastic molding composition containing a mixture of TPU and a (co)polymer is disclosed. The process comprises (a) introducing into an extruder under time and temperature conditions sufficient to bring about the formation of thermoplastic polyurethane a (co)polymer, and polyurethane-forming components comprising A) an organic diisocyanate, B) a linear polyol having terminal hydroxyl groups and a molecular weight of 500 to 5000, and C) a chain extender having a molecular weight of 60 to 500, and upon completing the formation of said polyurethane (b) discharging the resulting TPU/(co)polymer mixture from the extruder. Importantly, the (co)polymer contains a flow enhancer and the molar ratio of the NCO groups in A) to the groups which react with NCO in B) and C) is 0.9 to 1.2.

    摘要翻译: 公开了一种连续生产含有TPU和(共)聚合物的混合物的热塑性模塑组合物的方法。 该方法包括(a)在足以导致形成热塑性聚氨酯a(共)聚合物的时间和温度条件下引入挤出机,以及包含A)有机二异氰酸酯的聚氨酯形成组分,B)具有末端羟基的线性多元醇 基团,分子量为500至5000,和C)分子量为60至500的扩链剂,并且在完成形成所述聚氨酯(b)时,从所述挤出机中排出所得TPU /(共)聚合物混合物。 重要的是,(共)聚合物含有流动增强剂,A)中的NCO基团与在B)和C)中与NCO反应的基团的摩尔比为0.9至1.2。

    Process for the continuous production of thermoplastically processable
polyurethanes having improved processing behavior
    6.
    发明授权
    Process for the continuous production of thermoplastically processable polyurethanes having improved processing behavior 失效
    连续生产具有改进的加工性能的热塑性可加工聚氨酯的方法

    公开(公告)号:US5905133A

    公开(公告)日:1999-05-18

    申请号:US880464

    申请日:1997-06-23

    CPC分类号: C08G18/0895 C08G18/10

    摘要: The present invention relates to a process for the continuous production of thermoplastically processable polyurethanes having improved processing behaviour, wherein in a multistep reactionA) one or more linear hydroxyl-terminated polyols a) having a molecular weight of from 500 to 5000 are mixed continuously with a proportion of an organic diisocyanate b) in an NCO:OH ratio of from 2.0:1 to 5.0:1, in a mixing unit at high shear energy,B) the mixture prepared in step A) is reacted continuously to form an isocyanate-terminated prepolymer in a reactor at temperatures of >120.degree. C., until a conversion of >90%, referred to component a), is achieved,C) the prepolymer prepared in step B) is mixed with the remainder of component b), an NCO:OH ratio of from 2.05:1 to 6:1 being established overall in steps A) to C) and an NCO:OH ratio of 0.9 to 1.1 being established when all the components of steps A) to F) are included,D) the mixture prepared in step C) is cooled to a temperature of

    摘要翻译: 本发明涉及连续生产具有改进的加工性能的热塑性加工性聚氨酯的方法,其中在多步反应中A)一种或多种分子量为500-5000的直链羟基封端的多元醇a)与 一种有机二异氰酸酯b)的比例为2.0:1至5.0:1的NCO:HOH比率,B)在步骤A)中制备的混合物连续反应形成异氰酸酯 - 在约120℃的温度下在反应器中终止预聚物,直至达到> 90%的转化率,称为组分a),C)将步骤B)中制备的预聚物与组分b)的剩余部分混合, 在步骤A)至C)中总体确定为2.05:1至6:1的NCO:HOH比,并且当包括步骤A)至F的所有组分时,建立了0.9至1.1的NCO:OH比率) D)将步骤C)中制备的混合物冷却至<190℃ E)将步骤D)中得到的混合物与一种或多种二醇和任选的分子量为60-500的三醇和/或二胺扩链剂c)连续强烈混合最多5秒, F)步骤E)中获得的混合物在与步骤B)中使用的反应器不同的反应器中连续反应以形成热塑性聚氨酯。

    Method for Producing Polyether Alcohols
    7.
    发明申请
    Method for Producing Polyether Alcohols 审中-公开
    生产聚醚醇的方法

    公开(公告)号:US20090005533A1

    公开(公告)日:2009-01-01

    申请号:US11910936

    申请日:2006-04-05

    IPC分类号: C08G65/26

    摘要: The invention relates to a process for preparing polyether alcohols by catalytic addition of alkylene oxides onto a starter substance mixture comprising water-soluble H-functional starter substances which are solid at room temperature, alcohols which are liquid at the reaction temperature and water using alkali metal hydroxides and/or alkaline earth metal hydroxides as catalysts, wherein the amount of water is from 1.0 to 6.0% by weight, based on the weight of the starter substance mixture, and the starter substance mixture comprises no amine constituents.

    摘要翻译: 本发明涉及通过将环氧烷催化加成到起始物质混合物上制备聚醚醇的方法,该起始物质混合物包括在室温下为固体的水溶性H官能起始物质,在反应温度下为液体的醇和使用碱金属的水 氢氧化物和/或碱土金属氢氧化物作为催化剂,其中水的量为起始物质混合物重量的1.0至6.0重量%,起始物质混合物不包含胺组分。

    Inhibitors of TGF-R signaling for treatment of CNS disorders
    9.
    发明授权
    Inhibitors of TGF-R signaling for treatment of CNS disorders 有权
    抑制TGF-R信号传导治疗CNS疾病

    公开(公告)号:US08283334B2

    公开(公告)日:2012-10-09

    申请号:US13028035

    申请日:2011-02-15

    IPC分类号: A61K31/70 C07H21/02 C07H21/04

    摘要: The present invention relates to the use of oligonucleotides for the preparation of a pharmaceutical composition for the prevention or treatment of a disease, wherein neurogenesis and/or neuroregeneration has a beneficial effect, in particular a disease like Morbus Alzheimer, Morbus Parkinson, Lewy Body Dementia, Amyotrophic Lateral Sclerosis, Spinocerebellar Atrophies, Creutzfeldt Jakob Disease, Frontemporal Dementia, Morbus Pick, AIDS Dementia Complex, Vascular Dementia, Progressive Supranuclear Palsy, Corticobasal Degeneration, Multisystem-Atrophy, Hallervorden Spatz Disease, Huntington's disease, Stroke, Traumatic Brain and spinal cord Injury, Retinitis Pigmentosa, Macular Degeneration, Glaucoma, Cochlea Degeneration, Depression, Schizophrenia, Multiple Sclerosis, and developmental neurodegeneration.

    摘要翻译: 本发明涉及寡核苷酸用于制备用于预防或治疗疾病的药物组合物的用途,其中神经发生和/或神经再生具有有益效果,特别是诸如Morbus阿尔茨海默氏症,Morbus帕金森氏病,路易体痴呆症 ,肌萎缩性侧索硬化症,脊髓小脑萎缩症,Creutzfeldt雅各布病,前痴呆症,Morbus拣选,艾滋病痴呆复合物,血管性痴呆,进行性核核麻痹,皮质基底变性,多系统萎缩,霍氏阴道病,亨廷顿病,中风,创伤性脑和脊髓 损伤,色素性视网膜炎,黄斑变性,青光眼,耳蜗变性,抑郁,精神分裂症,多发性硬化和发育性神经变性。

    Method for producing polyether alcohols
    10.
    发明申请
    Method for producing polyether alcohols 审中-公开
    聚醚醇的制造方法

    公开(公告)号:US20050177005A1

    公开(公告)日:2005-08-11

    申请号:US10515350

    申请日:2003-06-06

    IPC分类号: C08G65/26 C07C41/03

    摘要: The invention relates to a method for producing polyether alcohols, comprising the following steps: a) reacting a low-molecular alcohol with alkylene oxide in the presence of a basic catalyst in order to form an alkylene oxide addition product having a molecular weight ranging from 200 to 900 g/mol; b) separating the basic catalyst from the product obtained in step a), and; c) reacting the product obtained in step b) with another alkylene oxide in order to produce the desired final product while using at least one DMC catalyst. The inventive method is characterized in that sodium hydroxide is used as the basic catalyst in step a).

    摘要翻译: 本发明涉及一种生产聚醚醇的方法,包括以下步骤:a)在碱性催化剂存在下使低分子量醇与环氧烷反应,以形成分子量为200的环氧烷加成产物 至900g / mol; b)将碱性催化剂与步骤a)中得到的产物分离, c)使步骤b)中获得的产物与另一种环氧烷反应,以便在使用至少一种DMC催化剂时产生所需的最终产物。 本发明的方法的特征在于,在步骤a)中使用氢氧化钠作为碱性催化剂。